{VERSION 4 0 "IBM INTEL LINUX22" "4.0" } {USTYLETAB {CSTYLE "Maple Input" -1 0 "Courier" 0 1 255 0 0 1 0 1 0 0 1 0 0 0 0 1 }{PSTYLE "Normal" -1 0 1 {CSTYLE "" -1 -1 "" 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 }0 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }{PSTYLE "" 0 256 1 {CSTYLE "" -1 -1 "" 1 18 0 0 0 0 0 1 0 0 0 0 0 0 0 0 }3 0 0 -1 -1 -1 0 0 0 0 0 0 -1 0 }} {SECT 0 {EXCHG {PARA 256 "" 0 "" {TEXT -1 29 "Multivariate plots with \+ Maple" }}}{EXCHG {PARA 0 "" 0 "" {TEXT -1 0 "" }}{PARA 0 "" 0 "" {TEXT -1 91 "Here are various plot examples with Maple to illustrate w hat can be done with 3-d plotting." }}{PARA 0 "" 0 "" {TEXT -1 14 "Exp eriment ..." }}{PARA 0 "" 0 "" {TEXT -1 0 "" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 12 "with(plots):" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 42 "p1 := plot3d( x^2+y^2, x=-3..3, y=-3..3 ):" }}} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 66 "l1 := spacecurve( [2+t,1,5+4 *t],t=-2..2,color=black,thickness=2 ):" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 66 "l2 := spacecurve( [2,1+t,5+2*t],t=-2..2,color=black,t hickness=2 ):" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 69 "tp := plot 3d( [2+s, 1+t, 5+4*s+2*t ], s=-1..1, t=-1..1,style=patch ):" }}} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 71 "l3 := spacecurve( [2+4*t,1+2 *t,5-t], color=black,thickness=2,t=-2..2 ):" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 66 "display( [p1,l1,l2,tp,l3],axes=framed, view=[-5..5 ,-5..5,0..10] );" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 13 "with(li nalg):" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 13 "f := x^2+y^2;" }} }{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 16 "grad( f,[x,y] );" }}} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 43 "gradplot( f, x=-3..3, y=-3.. 3,grid=[6,6] );" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 52 "cp := co ntourplot( f, x=-3..3, y=-3..3,contours=6 ):" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 47 "gp := gradplot(f, x=-3..3, y=-3..3,grid=[6,6]): " }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 19 "display( [cp,gp] );" }} }}{MARK "0 0 0" 0 }{VIEWOPTS 1 1 0 1 1 1803 1 1 1 1 }{PAGENUMBERS 0 1 2 33 1 1 }